package com.lkqandzzy.controller;

import com.lkqandzzy.entity.Admin;
import com.lkqandzzy.entity.PageInfo;
import com.lkqandzzy.service.AdminService;
import com.lkqandzzy.util.MD5Util;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.List;

/**
 * @author 邹靓仔and小帅龙
 * @date 2019/12/29-14:05-星期日-DormitoryManager-ssm
 */
@Controller
public class AdminController {

    // 依赖注入
    @Autowired
    private AdminService adminService;
    /**
     * 用户登录
     */
    /**
     * 将提交数据(username,password)写入Admin对象
     */
    @RequestMapping(value = "/login")
    public String login(Admin admin, Model model, HttpSession session, HttpServletRequest request) {
        // 通过账号和密码查询用户

        admin.setA_password(MD5Util.MD5EncodeUtf8(admin.getA_password()));
        Admin ad = adminService.findAdmin(admin);
        if(ad!=null){
            session.setAttribute("ad", ad);
            return "homepage";
        }
        model.addAttribute("msg", "用户名或密码错误，请重新登录！");
        return "login";
    }

    /**
     * 退出登录
     */
    @RequestMapping(value = "/loginOut")
    public String loginOut(Admin admin, Model model, HttpSession session) {
        session.invalidate();
        return "login";

    }

    /**
     * 分页查询
     */
    @RequestMapping(value = "/findAdmin")
    public String findAdmin(String a_username, String a_describe,Integer pageIndex,
                            Integer a_id ,Integer pageSize, Model model) {

        PageInfo<Admin> ai = adminService.findPageInfo(a_username,a_describe,
                a_id,pageIndex,pageSize);
        model.addAttribute("ai",ai);
        return "admin_list";
    }

    /**
     * 导出Excel
     */
    @RequestMapping(value = "/exportadminlist" , method = RequestMethod.POST)
    @ResponseBody
    public List<Admin> exportAdmin(){
        List<Admin> admin = adminService.getAll();
        return admin;
    }

    /**
     * 添加管理员信息
     */
    @RequestMapping(value = "/addAdmin" ,method = RequestMethod.POST)
    @ResponseBody
    public String addAdmin( @RequestBody Admin admin) {

        admin.setA_password(MD5Util.MD5EncodeUtf8(admin.getA_password()));
        int a = adminService.addAdmin(admin);
        return "admin_list";
    }

    /**
     * 删除管理员信息；将请求体a_id写入参数a_id
     */
    @RequestMapping( "/deleteAdmin")
    @ResponseBody
    public String deleteAdmin(Integer a_id) {
        int a = adminService.deleteAdmin(a_id);
        return "admin_list";
    }

    /**
     * 修改管理员信息
     */
    /**
     * 将提交数据(a_id,a_username...)写入Admin对象
     */
    @RequestMapping( value = "/updateAdmin", method = RequestMethod.POST)
    public String updateAdmin(Admin admin) {

        admin.setA_password(MD5Util.MD5EncodeUtf8(admin.getA_password()));
        int a = adminService.updateAdmin(admin);
        return "redirect:/findAdmin";
    }


    /**
     * 根据管理员Id搜索;将请求数据a_id写入参数a_id
     */
    @RequestMapping( "/findAdminById")
    public String findAdminById(Integer a_id, HttpSession session) {
        Admin a= adminService.findAdminById(a_id);
        session.setAttribute("a",a);
        return "admin_edit";
    }
}
